The middle ear is the structure that begins at the end of the tympanic membrane. These bones connect the eardrum to the inner ear. The middle ear is a chamber located within the petrous portion of the temporal bone. The vestibulocochlear organ within the internal ear is also responsible for equilibrium and maintains the sen… Sound waves funneled in through the pinna, hit the eardrum. Inner ear: The inner ear, also called the labyrinth, operates the body’s sense of balance and contains the hearing organ. The external (outer) and middle ear transmit sound waves to the internal (inner) ear. Inner and Middle Ear Medically reviewed by the Healthline Medical Network — Written by the Healthline Editorial Team on January 20, 2018 The cochlea is the most critical component of the inner ear. The ear is divided into three anatomical regions: the external ear, the middle ear, and the internal ear (Figure 2).

eardrum - (also called the tympanic membrane) a thin membrane that vibrates when sound waves reach it. All three parts of the ear are important for detecting sound by working together to move sound from the outer part through the middle and into the inner part of the ear. (iii) Two skeletal muscles, the tensor tympani attached to the malleus and the stapedius attached to the stapes, are also present in the middle ear. Brown is outer ear.

Red is middle ear. Stapedius is the smallest muscle in the body. There are three tiny bones known as the ossicles that make up the middle ear. Purple is inner ear. The human ear can be divided into 3 parts external, middle and internal with each part playing an integral role in the sense of hearing, while the internal ear has an added function for equilibrium. (iv) The middle ear is connected with the inner ear through two small openings closed by the membranes. A bony casing houses a complex system of membranous cells. The external ear is the visible portion of the ear, and it collects and directs sound waves to the eardrum. anvil - (also called the incus) a tiny bone that passes vibrations from the hammer to the stirrup. The spiral-shaped cochlea is part of the inner ear; it transforms sound into nerve impulses that travel to the brain. cochlea - a spiral-shaped, fluid-filled inner ear structure; it is lined with cilia (tiny hairs) that move when vibrated and cause a nerve impulse to form. Ears also help to maintain balance. • Human ear anatomy. Here mechanical sound waves are converted into electrical impulses which are conveyed to the brain for processing. The ear is made up of three parts: the outer, middle, and inner ear.

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